diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index dc6c2ae..7fc4b3f 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -2056,6 +2056,12 @@
               ? 0
               : cm->quant_params.base_qindex > qindex_thresh;
     }
+    if (speed >= 10) {
+      sf->rt_sf.source_metrics_sb_nonrd =
+          (cm->quant_params.base_qindex > 150 && cpi->rc.avg_source_sad > 20000)
+              ? 1
+              : 0;
+    }
     return;
   }